body{
	background-color: aqua;
}
.h1{
	/**文字属性
	 * 
	 */
	font: italic bolder 80px "楷体";
	color: coral;
	text-indent: 2em;
	background-color: #00FFFF;
}
.u2{
	font: normal border 50px "楷体";
	list-style-type: none;
	/*list-style:none；**/
	line-height: 3em;
}
a{
	/**取消a标签的下划线**/
	text-decoration: none;
	color: brown;
}
a:hover{
	font-size: 50px;
	color: crimson;
}
